Air Pollution Tuesday Night (27/1): South Sumatra Worst, How About Other Regions?
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Air quality in South Sumatra is the worst in Indonesia tonight. Based on the Air Pollutant Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) on Tuesday (27/1/2026) at 18:00 WIB, it was revealed that the air quality index in South Sumatra was 99.
According to the Directorate of Air Pollution Control of KLHK, ISPU is a dimensionless number used to describe ambient air quality conditions at a certain location and is based on the impact on human health, aesthetic value, and other living things.
ISPU calculation is based on the measurement results of seven air pollutant parameters, namely PM10, PM2.5, NO2, SO2, CO, O3, and HC. Measurements of air pollutant parameters are spread across 72 stations in various regions.
(Read: Air Quality in Bangladesh is the Worst in the World, How About Indonesia?)
Based on Ministry of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, ISPU in the range of 0-50 indicates good air quality, the range 51-100 means moderate air quality, and the range 101-200 means unhealthy air quality that is detrimental to humans, animals, and plants.
Next, very unhealthy air quality in the range of 201-300 can increase health risks in sensitive groups. Meanwhile, hazardous air quality in the range of more than 300 can seriously harm health and requires quick handling.
Below South Sumatra, Banten ranks second worst in Indonesia with an air quality index of 95. Then, in third place is West Java with an air quality index of 93.
This means that no region has hazardous air quality.
Here is a list of the 10 provinces with the worst air quality index in Indonesia on Tuesday, January 27, 2026 at 18:00 WIB.
1. South Sumatra: 99
2. Banten: 95
3. West Java: 93
4. Jambi: 90
5. Riau: 88
6. Aceh: 85
7. North Sumatra: 80
8. North Sumatra: 79
9. West Nusa Tenggara: 78
10. Central Kalimantan: 77
(Read: Air Quality in Bangladesh is the Worst in the World, How About Indonesia?)
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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